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Prepared fix for issue #1118.
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@nilsschmidt1337
nilsschmidt1337 committed Nov 21, 2024
1 parent 168b37f commit e77af80
Showing 1 changed file with 33 additions and 28 deletions.
61 changes: 33 additions & 28 deletions src/org/nschmidt/ldparteditor/text/Win32LnkParser.java
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Original file line number Diff line number Diff line change
Expand Up @@ -42,31 +42,31 @@ public static File resolveLnkShortcut(File lnkFile) {
NLogger.debug(Win32LnkParser.class, "HeaderSize: {0}", Integer.toHexString(headerSize)); //$NON-NLS-1$

// Read the header
final byte[] header = is.readNBytes(headerSize - 4);
final int[] header = readNBytes(is ,headerSize - 4);

// CLSID
final StringBuilder sb = new StringBuilder();
sb.append("CLSID: "); //$NON-NLS-1$
sb.append(Integer.toHexString(byteToInt(header[3])));
sb.append(Integer.toHexString(byteToInt(header[2])));
sb.append(Integer.toHexString(byteToInt(header[1])));
sb.append(Integer.toHexString(byteToInt(header[0])));
sb.append(Integer.toHexString(header[3]));
sb.append(Integer.toHexString(header[2]));
sb.append(Integer.toHexString(header[1]));
sb.append(Integer.toHexString(header[0]));
sb.append("-"); //$NON-NLS-1$
sb.append(Integer.toHexString(byteToInt(header[5])));
sb.append(Integer.toHexString(byteToInt(header[4])));
sb.append(Integer.toHexString(header[5]));
sb.append(Integer.toHexString(header[4]));
sb.append("-"); //$NON-NLS-1$
sb.append(Integer.toHexString(byteToInt(header[7])));
sb.append(Integer.toHexString(byteToInt(header[6])));
sb.append(Integer.toHexString(header[7]));
sb.append(Integer.toHexString(header[6]));
sb.append("-"); //$NON-NLS-1$
sb.append(Integer.toHexString(byteToInt(header[8])));
sb.append(Integer.toHexString(byteToInt(header[9])));
sb.append(Integer.toHexString(header[8]));
sb.append(Integer.toHexString(header[9]));
sb.append("-"); //$NON-NLS-1$
sb.append(Integer.toHexString(byteToInt(header[10])));
sb.append(Integer.toHexString(byteToInt(header[11])));
sb.append(Integer.toHexString(byteToInt(header[12])));
sb.append(Integer.toHexString(byteToInt(header[13])));
sb.append(Integer.toHexString(byteToInt(header[14])));
sb.append(Integer.toHexString(byteToInt(header[15])));
sb.append(Integer.toHexString(header[10]));
sb.append(Integer.toHexString(header[11]));
sb.append(Integer.toHexString(header[12]));
sb.append(Integer.toHexString(header[13]));
sb.append(Integer.toHexString(header[14]));
sb.append(Integer.toHexString(header[15]));
NLogger.debug(Win32LnkParser.class, sb.toString());

// LinkFlags
Expand All @@ -81,7 +81,7 @@ public static File resolveLnkShortcut(File lnkFile) {
NLogger.debug(Win32LnkParser.class, "HasWorkingDir : {0}", flag(header[16], 4)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "HasArguments : {0}", flag(header[16], 5)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "HasIconLocation : {0}", flag(header[16], 6)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "IsUnicode : {0}", flag(header[16], 7)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "IsUnicode : {0}\n", flag(header[16], 7)); //$NON-NLS-1$

NLogger.debug(Win32LnkParser.class, "ForceNoLinkInfo : {0}", flag(header[17], 0)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "HasExpString : {0}", flag(header[17], 1)); //$NON-NLS-1$
Expand All @@ -90,7 +90,7 @@ public static File resolveLnkShortcut(File lnkFile) {
NLogger.debug(Win32LnkParser.class, "HasDarwinID : {0}", flag(header[17], 4)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "RunAsUser : {0}", flag(header[17], 5)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "HasExpIcon : {0}", flag(header[17], 6)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "NoPidlAlias : {0}", flag(header[17], 7)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "NoPidlAlias : {0}\n", flag(header[17], 7)); //$NON-NLS-1$

NLogger.debug(Win32LnkParser.class, "Unused2 : {0}", flag(header[18], 0)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "RunWithShimLayer : {0}", flag(header[18], 1)); //$NON-NLS-1$
Expand All @@ -99,7 +99,7 @@ public static File resolveLnkShortcut(File lnkFile) {
NLogger.debug(Win32LnkParser.class, "DisableLinkPathTracking : {0}", flag(header[18], 4)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "DisableKnownFolderTracking : {0}", flag(header[18], 5)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "DisableKnownFolderAlias : {0}", flag(header[18], 6)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "AllowLinkToLink : {0}", flag(header[18], 7)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "AllowLinkToLink : {0}\n", flag(header[18], 7)); //$NON-NLS-1$

NLogger.debug(Win32LnkParser.class, "UnaliasOnSave : {0}", flag(header[19], 0)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "PreferEnvironmentPath : {0}", flag(header[19], 1)); //$NON-NLS-1$
Expand All @@ -113,15 +113,15 @@ public static File resolveLnkShortcut(File lnkFile) {
NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_DIRECTORY : {0}", flag(header[20], 4)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_ARCHIVE : {0}", flag(header[20], 5)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "Reserved2 : {0}", flag(header[20], 6)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_NORMAL : {0}", flag(header[20], 7)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_NORMAL : {0}\n", flag(header[20], 7)); //$NON-NLS-1$

NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_TEMPORARY : {0}", flag(header[21], 0)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_SPARSE_FILE : {0}", flag(header[21], 1)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_REPARSE_POINT : {0}", flag(header[21], 2)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_COMPRESSED : {0}", flag(header[21], 3)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_OFFLINE : {0}", flag(header[21], 4)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_NOT_CONTENT_INDEXED : {0}", flag(header[21], 5)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_ENCRYPTED : {0}", flag(header[21], 6)); //$NON-NLS-1$
NLogger.debug(Win32LnkParser.class, "FILE_ATTRIBUTE_ENCRYPTED : {0}\n", flag(header[21], 6)); //$NON-NLS-1$

if (hasLinkTargetIDList) {
final long targetListSize = readUnsignedShort(is);
Expand Down Expand Up @@ -169,12 +169,8 @@ public static File resolveLnkShortcut(File lnkFile) {
return lnkFile;
}

private static int byteToInt(final byte b) {
return b < 0 ? 128 - b : b;
}

private static boolean flag(final byte b, int bitIndex) {
return (byteToInt(b) & (1 << (7 - bitIndex))) > 0;
private static boolean flag(final int b, int bitIndex) {
return (b & (1 << bitIndex)) > 0;
}

private static long readUnsignedShort(InputStream is) throws IOException {
Expand All @@ -183,4 +179,13 @@ private static long readUnsignedShort(InputStream is) throws IOException {
// this is lower endian
return bLower | (bUpper << 8);
}

private static int[] readNBytes(InputStream is, int n) throws IOException {
final int[] result = new int[n];
for (int i = 0; i < n; i++) {
result[i] = is.read();
}

return result;
}
}

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